3120-01-040-3946

Find complete technical information, availability, and procurement data for: 3120-01-040-3946
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-040-3946

Item Name Code

13208

Assigment Date

05/07/1977 (49 years ago)

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes:bearing, plain, rod end and bearing, plain, spherical.

14000 pounds static radial load rating, 0.4950 inches minimum and 0.5050 inches maximum outer member width, 1.1870 inches minimum and 1.1875 inches maximum outer member outside diameter, 0.4370 inches minimum and 0.4375 inches maximum bore diameter, 0.9380 inches minimum and 0.9400 inches maximum inner member width

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Bore Diameter: 0.4370 inches minimum and 0.4375 inches maximum
Outer Member Outside Diameter: 1.1870 inches minimum and 1.1875 inches maximum
Outer Member Width: 0.4950 inches minimum and 0.5050 inches maximum
Inner Member Width: 0.9380 inches minimum and 0.9400 inches maximum
Static Radial Load Rating: 14000 pounds
Hardness Rating: 55.0 rockwell c minimum and 62.0 rockwell c maximum inner member
Material: steel comp 440c inner member
Material: steel comp 410 and steel comp 630 outer race member
Material Document And Classification: ams 5630 assn std single material response inner member
Material Document And Classification: fed std 66 fed std 1st material response and aisi 410 assn std 1st material response and sae 51410 assn std 1st material response and ams 5643 assn std 2nd material response outer race member
Style Designator: with insert and/or liner with staking groove

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3120-00-407-0615	No Name Available	11/01/1995

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
53G970718-27	Self-Aligning Plain Bearing

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 3120-01-040-3946?

The FSCG of the NSN 3120-01-040-3946 is 3120

Does the NSN 3120-01-040-3946 have a Schedule B code assigned?

Yes, the Schedule B code is 8482300040

Does NSN 3120-01-040-3946 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 3120-01-040-3946 contain precious materials?

Precious metal content is unknown

Does NSN 3120-01-040-3946 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 3120-01-040-3946 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Sat, May 7, 1977